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Handheld device having an optical data reader

  • US 6,453,173 B1
  • Filed: 07/12/1999
  • Issued: 09/17/2002
  • Est. Priority Date: 04/14/1997
  • Status: Expired due to Fees
First Claim
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1. A handheld device comprising:

  • a display device capable of displaying information in a portrait mode, the display device further capable of displaying information in a landscape mode;

    a housing which supports the display device;

    at least one orientation sensor to sense an orientation of the housing;

    a scanning beam optical reader to scan a light beam across an optical code, the scanning beam optical reader responsive to the at least one orientation sensor to scan the light beam along a first axis if the housing is oriented for displaying information in the portrait mode and along a second axis if the housing is oriented for displaying information in the landscape mode, wherein the first axis is transverse to the second axis; and

    wherein the at least one orientation sensor includes a first inclinometer and a second inclinometer, the first inclinometer to generate a signal based upon a deviation between a horizontal axis and an axis substantially parallel to the first axis, the second inclinometer to generate a signal based upon a deviation between the horizontal axis and an axis substantially parallel to the second axis.

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